Improper authentication in Acoustic Technology, Inc. (ATI Systems) Emergency Mass…
Priority LOW 16CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.
Why it matters now
EPSS 0.0056 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Acoustic Technology, Inc. (ATI Systems) | Emergency Mass Notification Systems | The following ATI's Emergency Mass Notification Systems devices are affected: HPSS16, HPSS32, MHPSS, and ALERT4000. | — | No fix listed | CNA |
- Emergency Mass Notification Systems VendorAcoustic Technology, Inc. (ATI Systems) Affected The following ATI's Emergency Mass Notification Systems devices are affected: HPSS16, HPSS32, MHPSS, and ALERT4000. Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:atisystem:hpss16_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Atisystem |
| cpe:2.3:h:atisystem:hpss16:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Atisystem |
| cpe:2.3:o:atisystem:hpss32_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Atisystem |
| cpe:2.3:h:atisystem:hpss32:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Atisystem |
| cpe:2.3:o:atisystem:mhpss_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Atisystem |
| cpe:2.3:h:atisystem:mhpss:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Atisystem |
| cpe:2.3:o:atisystem:alert4000_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Atisystem |
| cpe:2.3:h:atisystem:alert4000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Atisystem |
- cpe:2.3:o:atisystem:hpss16_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Atisystem
- cpe:2.3:h:atisystem:hpss16:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Atisystem
- cpe:2.3:o:atisystem:hpss32_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Atisystem
- cpe:2.3:h:atisystem:hpss32:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Atisystem
- cpe:2.3:o:atisystem:mhpss_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Atisystem
- cpe:2.3:h:atisystem:mhpss:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Atisystem
- cpe:2.3:o:atisystem:alert4000_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Atisystem
- cpe:2.3:h:atisystem:alert4000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Atisystem
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8862
- 2026-10-03 Alias added: GHSA-fpp6-xw3r-cjjx
References
More Atisystem Alert4000 Firmware vulnerabilities
- TI-2018-06406 In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000)… CVSS 3.0LOW 3.1
Sources
- CVE-2018-8862 · CVE Program
- CVE-2018-8862 · NVD
- FIRST EPSS
- GHSA-fpp6-xw3r-cjjx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences